<template>
  <div class="nav-menu">
    <div class="logo">
      <img class="img" src="~@/assets/img/logo.svg" alt="logo"/>
      <span v-if="!collapse" class="title">Vue3+TS</span>
    </div>
     <el-menu
        :default-active="defaultValue"
        class="el-menu-vertical"
        background-color="#0c2135"
        text-color="#b7bdc3"
        active-text-color="#0a60bd"
        :collapse="collapse"
      >
        <template v-for="item in userMenus" :key="item.id">
          <!-- 二级菜单 -->
          <template v-if="item.type === 1">
            <!-- 二级菜单可以展开的标题 -->
            <el-sub-menu :index="item.id + ''">
              <template #title>
                <i v-if="item.icon" :class="item.icon"></i>
                <el-icon><avatar /></el-icon>
                <span>{{item.name}}</span>
              </template>
              <!-- 遍历里面的item -->
              <template v-for="subitem in item.children" :key="subitem.id">
                <el-menu-item :index="subitem.id + ''" @click="handleMenuItemClick(subitem)">
                  <i v-if="subitem.icon" :class="subitem.icon"></i>
                  <span>{{subitem.name}}</span>
                </el-menu-item>
              </template>
            </el-sub-menu>
          </template>
          <!-- 一级菜单 -->
          <template v-else-if="item.type === 2">
            <el-menu-item :index="item.id + ''">
              <i v-if="item.icon" :class="item.icon"></i>
              <span>{{item.name}}</span>
            </el-menu-item>
          </template>
        </template>
      </el-menu>
  </div>
</template>

<script lang="ts">
import { defineComponent , computed , ref} from "vue";
import { useStore } from '@/store';
import { Avatar} from '@element-plus/icons';
import { useRouter, useRoute } from 'vue-router';
import { pathMaptoMenu } from "@/utils/map-menus";

export default defineComponent({
  components:{
    Avatar
  },
  props:{
    collapse:{
      type:Boolean,
      default:false
    }
  },
  setup() {
    //store
    const store = useStore()
    const userMenus = computed(() => store.state.login.userMenus)
    //router
    const router = useRouter()
    const route = useRoute()
    const currentPath = route.path
    //data
    const menu = pathMaptoMenu(userMenus.value,currentPath)
    const defaultValue = ref(menu.id + '')


    //event handle
    const handleMenuItemClick = (item: any) => {
      // console.log(item)
      router.push({
        path:item.url ?? '/not-found'
      })
    }
    return {
      userMenus,
      handleMenuItemClick,
      defaultValue,
    }
  }
})
</script>

<style lang="less" scoped>
.nav-menu{
  height: 100%;
  background-color: #001529;
  .logo{
    display: flex;
    height: 28px;
    padding: 12px 10px 8px 10px;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
  }
  .img{
    height: 100%;
    margin: 0 10px;
  }
  .title{
    font-size: 16px;
    font-weight: 700;
    color: #fff;
  }
}
.el-menu{
  border-right: none;
}
// 目录
.el-sub-menu{
  background-color: #001529 !important;
  .el-menu-item{
    padding-left: 50px !important;
    background-color: #0c2135 !important;
  }
}
::v-deep .el-sub-menu__title{
  background-color: #001529 !important;
}
.el-menu-item:hover{
  color: #fff !important;
}
.el-menu-item.is-active{
  color: #fff !important;
  background-color: #0a60bd !important;
}
.el-menu-vertical:not(.el-menu--collapse){
  widows: 100%;
  heighe:calc(100% - 48px);
}
</style>
